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1)1ʹܕਪ࿦Λ࣮૷͢Δʙೖ໳ฤʙ ٱอాޫଇ!BOBUPP

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ࣗݾ঺հ w ٱอాޫଇ!BOBUPP w 6*69σβΠφʔ݉
 ιϑτ΢ΣΞΤϯδχΞ w "TQFDUJWF--$୅ද w IUUQBTQFDUJWFJP

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w "TQFDUJWF--$͸1)1ΧϯϑΝϨϯε෱Ԭʹڠࢍ͍ͯ͠·͢

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޷ධൃചதʂ

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IUUQPOTFOJP

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ΞδΣϯμ w ܕਪ࿦ͱ͸  w ͳͥ1)1Ͱܕਪ࿦  w ಈతݴޠͰͷܕਪ࿦ͷϝϦοτ w 1)1ͷ"45ͷଘࡏ w ܕਪ࿦ΞϧΰϦζϜͷ঺հ

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ܕਪ࿦ͱ͸

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ܕਪ࿦8JLJQFEJB IUUQTKBXJLJQFEJBPSHXJLJ&&#&&"&"# lܕਪ࿦ʢ͔͍ͨ͢ΖΜʣͱ͸ϓϩάϥϛϯάݴ ޠͷػೳͷͭͰɺ੩తͳܕ෇͚Λ࣋ͭݴޠʹ ͓͍ͯɺม਺΍ؔ਺ͷܕΛએݴ͠ͳͯ͘΋ͦΕ Λಋ͘ͷʹ࢖ΘΕͨؔ਺ͷܕγάωνϟͳͲ͔ ΒࣗಈతʹܕΛܾఆ͢Δػߏͷ͜ͱɻz

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ྫ4XJGU w ܕ৘ใΛॻ͔ͳͯ͘΋ܕΛਪ࿦ͯ͠ίϯύΠϧͯ͘͠ΕΔ w ͋͘·Ͱ੩తܕ෇͚ͳͷͰpC/VNCFSͷܕ͸*OU func fib(number: Int) -> Int { if number <= 1 { return number } else { return fib(number - 1) + fib(number - 2) } } var fibNumber = fib(8)

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ܕਪ࿦Λ࣋ͭݴޠ w 4DBMB w )BTLFMM w 0$BNM w 4XJGU w શͯ੩తܕ෇͚ͷݴޠ

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ಈతܕ෇͚ݴޠͰ͸ w 1)1͸ಈతܕ෇͚ݴޠ w ίϯύΠϧ࣌ʹܕ͕ܾ·Δඞཁ͸ͳ͍ w ܕਪ࿦Λॻ͘ඞཁͳΜͯͳ͍ͷͰ͸

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w ಈతܕ෇͚ͷݴޠͰ΋ܕਪ࿦ͷϝϦοτ͸ ͋Δ w ͱ͍͏͔ɺ͢ͰʹΈͳ͞Μ࣮͸ܕਪ࿦ͷԸ ܙΛҰ෦त͔͍ͬͯΔ

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ಈతݴޠͰͷϝϦοτ w ίϯύΠϧ࣌࠷దԽ w ΤσΟλ΍*%&Ͱͷิ׬ w ࣄલͷΤϥʔݕ஌

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ίϯύΠϧ࣌࠷దԽ w ಈతݴޠͰ͸ɺ࣮ߦ࣌ʹͲͷܕ͕ೖͬͯ΋ ໰୊ͳ࣮͘ߦͰ͖ΔΑ͏ʹઃܭ͞Ε͍ͯΔ w ͦͷͨΊ࣮ߦ࣌ͷ੩తܕ෇͚ݴޠʹൺ΂Δ ͱΦʔόʔϔου͕େ͖͍

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ྫ1)1ͷ ԋࢉࢠͷॲཧ

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IUUQTHJUIVCDPNQIQQIQTSDCMPCNBTUFS;FOE[FOE@PQFSBUPSTD- w ࣮ߦ࣌ʹͲͷܕͷ૊Έ߹Θ͔ͤΛTXJUDIจͰ෼ذ

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ܕਪ࿦Λ࢖͑͹ w ྫ͑͹zB CzͷBͱCͷܕ͕ܕਪ࿦ͰΘ͔Ε ͹ɺίϯύΠϧ࣌ʹͦΕઐ༻ͷߴ଎ͳॲཧ ʹࠩ͠ସ͑Δ͜ͱ͕Ͱ͖Δ͸ͣ w ֦ுϥΠϒϥϦͰΦϓςΟϚΠβॻ࣌͘ʹ ໾ཱͪͦ͏

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+4ͰͷྫIUUQSGSOPSHdTIVESBGUTUJQEG

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*%&Ͱͷϝιουͷิ׬ w *%& 1IQ4UPSNͱ͔ Ͱɺ͋Δม਺ͷΠϯελϯεϝιου ͕ิ׬͞ΕΔͷ͸ɺܕਪ࿦͞Ε͍ͯΔ͔ΒʹଞͳΒͳ͍

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Τϥʔݕ஌ɾ-JOU w ܕਪ࿦Ͱܕͷໃ६͕ݟ͔ͭΕ͹ɺ࣮ߦલʹ ΤϥʔΛग़͢͜ͱ͕Ͱ͖Δ w *%&΍ΤσΟλͷΤϥʔݕ஌΍ɺ-JOUπʔϧ ͳͲͰԠ༻Ͱ͖Δ

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༻్·ͱΊ w ิ׬΍MJOUπʔϧͳͲɺ։ൃऀΛࢧԉ͢Δ੩ తղੳπʔϧͷ࣮૷ʹ໾ཱͯΒΕΔ w ֦ுϥΠϒϥϦͰ͕Μ͹Ε͹ɺ࠷దԽ͞Ε ͨPQDPEFΛు͘ࣄ΋Մೳ

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1)1Ͱͷػӡ

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1)1Ͱͷػӡ w 4DBMBS5ZQF)JOUT͕ಋೖ͞Εͨ w ؔ਺ͷฦΓ஋ͷܕΛࢦఆ͕Մೳʹ w ݫີͳܕνΣοΫͷಋೖ w "45 ந৅ߏจ໦ ͷಋೖ

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4DBMBS5ZQF)JOUT w JOU΍qPBU΍TUSJOH΍CPPMͳͲͷεΧϥ஋ͷܕ͕5ZQF)JOUͰ ࢦఆͰ͖Δ w ࣗಈతʹΩϟετ͞ΕΔΏΔ͍λΠϓνΣοΫ 9 square(4.1); // => 16

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ؔ਺ͷ໭Γܕ w ؔ਺ͷ໭Γ஋ͷܕ΋ࢦఆͰ͖ΔΑ͏ʹͳͬ ͨ

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ݫ֨ͳܕࢦఆ w એݴͨ͠ϑΝΠϧͰ͸ܕ͕ݫ֨ʹѻΘΕΔ w ҉໧ͷΩϟετ͕ߦΘΕͳ͍Ϟʔυʹ

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1)1Ͱͷܕͷѻ͍ͷมԽ w ໭Γ஋ͷܕνΣοΫΛએݴͰ͖ΔΑ͏ʹͳͬͨ w ݫີʹએݴͰ͖ΔΑ͏ʹͳͬͨ w ϓϦϛςΟϒͳ஋ͷܕ͕ࢦఆͰ͖ΔΑ͏ʹͳͬ ͨ w ੩తղੳ͠΍͘͢ͳͬͨ

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1)1ͷ"45 w ैདྷͰ͸ɺ"45͸ੜ੒ͤͣʹ;FOE&OHJOF ༻ͷ໋ྩΛίϯύΠϧ͍ͯͨ͠ w 1)1Ͱ͸ɺίϯύΠϧ࣌ʹ"45Λੜ੒͢Δ Α͏ʹͳͬͨ

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"45 ந৅ߏจ໦ ͱ͸ w ύʔεͨ͠ίʔυͷந৅తͳπϦʔߏ଄ͷσʔλ IUUQTpSFCFBSTUVEJPDPNCMPHIPXUPHFUSFBEZGPSQIQIUNM for ($i = 0; $i < 4; $i++) { ... }

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ࣈ۟ղੳ ߏจղੳίϯύΠϧ ࣮ߦ w 1)1Ͱ͸ɺߏจղੳ͠ͳ͕Β7.༻ίʔυΛੜ੒ w CJTPOͷηϚϯςΟοΫΞΫγϣϯͰ׬݁ τʔΫϯͷϦετΛੜ੒ ύʔεͭͭ͠7.༻ͷ໋ྩΛੜ੒ ಺෦7.Ͱ࣮ߦ 1)1Ͱͷ࣮ߦͷྲྀΕ

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τʔΫϯͷϦετΛੜ੒ ந৅ߏจ໦ "45 ͷੜ੒ ಺෦7.༻ͷ໋ྩΛੜ੒ ಺෦7.Ͱ࣮ߦ ࣈ۟ղੳ ߏจղੳ ίϯύΠϧ ࣮ߦ w 1)1Ͱ͸ɺߏจղੳ࣌ʹ͸"45Λੜ੒ w 7.༻ͷίʔυੜ੒͸ͦͷޙʹߦ͏Α͏ʹͳͬͨ 1)1Ͱͷ࣮ߦͷྲྀΕ

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1)1"45֦ுϥΠϒϥϦ w ैདྷίϯύΠϧ͕ऴΘΕ͹"45͸ࣺͯΒΕΔ w 1)1͔ΒͰ΋ந৅ߏจ໦Λѻ͏͜ͱ͕Ͱ͖ ΔΑ͏ʹ͢Δ֦ுϥΠϒϥϦ w ந৅ߏจ໦ΛऔΓग़ͯ͠੩తղੳͰ͖Δ IUUQTHJUIVCDPNOJLJDQIQBTU

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ग़ྗ w WBSͱ͍͏ίʔυͷߏจ໦͕औΕ͍ͯΔ w ͜ΕͰ੩తղੳ͠์୊ͩʂ AST_STMT_LIST 0: AST_ASSIGN var: AST_VAR name: "var" expr: 42

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ܕਪ࿦ͷ֓ཁ

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ܕਪ࿦ثͷ௒جຊతͳಈ͖ w  ͱ͍͏දݱΛܕਪ࿦ثʹ༩͑Δ৔߹ w ܕਪ࿦ث͸ɺந৅ߏจ໦ͷܭࢉ΍એݴΛਫ਼ࠪͯ͠ਪ࿦نଇ Λݩʹܕ৘ใΛܭࢉ͍ͯ͘͠     JOUFHFS JOUFHFS JOUFHFS

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ޡΓ͕͋Δ৔߹ w OFX0CKFDU  ͱ͍͏ίʔυΛਪ࿦ثʹ౉͢৔߹ w ܕϨϕϧͰޡΓ͕͋Ε͹࣮ߦલʹΤϥʔΛग़͢ OFX 0CKFDU   &3303 0CKFDU JOUFHFS OFX 0CKFDU

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ਪ࿦ͷϙΠϯτ w &YQSFTTJPOͷߏจ໦ͷ຤୺͔Βਪ࿦Λ࢝ΊΔ w ਪ࿦نଇʹԠͯ͡ਪ࿦͍ͯ͘͠ w Θ͔Βͳ͍৔߹ʹ͸ܕม਺Λ෇Ճ w ੍ݶʹԠͯ͡ϢχϑΟέʔγϣϯΛߦ͏ w ܕม਺ͷ୅ೖɾΤϥʔͷݕ஌ w ਪ࿦͕Ͱ͖ͨ৔߹ʹ͸ܕ؀ڥʹ൓ө͍ͯ͘͠

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຤୺͔Βਪ࿦͢Δ w ͋ΔܭࢉΛਪ࿦͢Δ৔߹ʹ͸ɺԼ෦ͷϊʔυ͔Βਪ࿦͍ͯ͘͠ w ߏจ໦Λ࠶ؼతʹḷͬͯߦ͘͜ͱͰՄೳ     JOUFHFS JOUFHFS   JOUFHFS JOUFHFS JOUFHFS

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ਪ࿦نଇʹΑͬͯਪ࿦͍ͯ͘͠ w ྫF ͱF ͷܕ͕JOUͰ͋Δ࣌ɺ F  F ͷܕ͸JOUͰ͋Δ w ྫF ͱF ͷܕ͕BSSBZͰ͋Δ࣌ɺ F  F ͷܕ͸BSSBZͰ͋Δ w ྫF ͷܕ͕0CKFDUͱF ͷܕ͕JOUͰ͋Δ࣌ɺλΠϓΤϥʔͰ͋Δ w ߏจ໦ΛͨͲ͍ͬͯ࣌͘ʹਪ࿦نଇΛద༻ w نଇ͸۪௚ʹίʔυΛॻ͍͍ͯ͘ w ܕ͕Θ͔ͬͨΒܕ؀ڥʹ൓ө͍ͯ͘͠

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ܕ؀ڥ w ؔ਺΍ΫϥεͳͲͷܕ৘ใΛొ࿥͢Δ৔ॴ w ૊ΈࠐΈؔ਺ͷܕ৘ใ͸༧Ίొ࿥ w ίʔυΛղੳͯ͠ਪ࿦Ͱ͖ͨ݁ՌΛ֨ೲ w ܕਪ࿦ثͷ࣮ߦίϯςΩετΈ͍ͨͳ΋ͷ

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ܕ͕Θ͔Βͳ͍৔߹ w Bͷܕ͕Θ͔Βͳ͍ w ܕม਺ΛׂΓ౰ͯͯɺ൑அΛ஗Ԇͤ͞Δ B  JOUFHFS

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ܕม਺ w ܕͱͯ͠ѻ͑ΔೖΕ෺ɻޙͰதʹ࣮ࡍͷܕΛ୅ೖͰ͖Δ w ܕ͕Θ͔Βͳ͍৔߹ʹ͸ܕม਺ΛׂΓ౰ͯΔ JOU TUSJOH 'PP

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ׂΓ౰ͯΔྫ w ྫ͑͹ؔ਺ͷԾҾ਺΍ฦΓ஋ʹܕ͕ࢦఆ͞ Ε͍ͯͳ͍৔߹

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ܕม਺΁ͷ୅ೖ w ϢχϑΟέʔγϣϯΛ௨ͯ͡୅ೖ͢Δ JOU =

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ϢχϑΟέʔγϣϯ ୯ҰԽ w ܕਪ࿦தʹ૒ํ޲ͷ୅ೖΛߦ͏ͨΊͷ࢓૊Έ w ࣦഊͨ͠৔߹͸ܕϨϕϧͰؒҧ͍͕͋ΔͱΈͳ ͯ͠Τϥʔ w ܕͷ੍ݶ͕͋ΔՕॴͰϢχϑΟέʔγϣϯΛߦ ͏

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ϢχϑΟέʔγϣϯ͸ܕͷ੍ ݶ͕͔͔ΔՕॴͰ࣮ߦ͢Δ

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ԾҾ਺ͷܕͱҾ਺ͷܕ w OVNͷܕͱBҾ਺ͷܕ͸ಉ͡Ͱͳ͚Ε͹ͳΒͳ͍

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SFUVSOͷܕͱฦΓ஋ͷܕએݴ w SFUVSOͷදݱͷܕͱฦΓ஋ͷܕએݴ͸ಉ͡Ͱͳ ͚Ε͹ͳΒͳ͍

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ྫ w Կ΋͠ͳ͍ɻܕ͕͋ͬͯΔͷͰେৎ෉ function foobar(): int { return 1; } JOUJOU ੒ޭ

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ྫ function foobar(): int { return “hoge”; } JOUTUSJOH Τϥʔ w ܕ͕͋ͬͯͳ͍ͷͰΤϥʔΛग़͢

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ྫ w GPPCBSؔ਺ͷฦΓ஋ͷܕม਺BʹJOU͕୅ೖ͞ΕΔ function foobar() { return 1; } BJOU BʹJOUΛ୅ೖ ฦΓ஋ͷܕʹܕม਺BΛׂΓ౰ͯ

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ྫ w ΋͠ܕม਺ʹผͷܕ͕͢Ͱʹೖ͍ͬͯΔ৔߹ʹ ͸Τϥʔ function foobar(): int { return $globalNum; } JOUC ܕม਺CʹJOUΛ࣮૷ ܕม਺CΛׂΓ౰ͯ

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ྫ w Ҿ਺ͷܕͱฦΓ஋ͷܕ͕ಉ͡Ͱ͋Δ͜ͱ͕ਪ࿦ Ͱ͖Δ function foobar($a) { return $a; } ED ܕม਺DΛܕม਺Eʹ΋ׂΓ౰ͯΔ ܕม਺DΛׂΓ౰ͯ ฦΓ஋ͷܕʹܕม਺EΛׂΓ౰ͯ

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ؔ਺ద༻Ͱਪ࿦Ͱ͖Δྫ w JODؔ਺ͷ໭Γ஋ͷܕ͸ɺؔ਺ຊମΛݟ͚ͨͩͰ͸Θ͔Βͳ͍ w ؔ਺ద༻ͰҾ਺ͷܕݟΔͱॳΊͯ൑໌͢Δ w ؔ਺ద༻ͷࣜΛਪ࿦͢Δͱ͖ʹɺҾ਺ͷܕͱJODؔ਺ͷத਎ Λਪ࿦͠௚͢͜ͱͰJOD  ͷܕ͕Θ͔Δ function inc($a) { return $a + 1; }; $n = inc(3);

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ͱΓ͋͑ͣҎ্ w ಈతܕ෇͚ͳͷͰɺਪ࿦Ͱ͖Δͱ͜Ζ͚ͩ ෦෼తʹਪ࿦ͯ͠ऴΘΓͰ΋໰୊ͳ͍ w ੩తܕ෇͚ͷݴޠͱ͸ҧͬͯ׬શʹ͢΂ͯ ܕ෇͚͠ͳͯ͘΋ྑ͍ w ϝιουิ׬ͳͲͷ໨తͷͨΊʹ׬ᘳʹਪ ࿦͠Α͏ͱ͢Ε͹͢Δ΄Ͳ೉͘͠ͳΔ

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·ͱΊ w 1)1Ͱ͸"45ͷಋೖͰ੩తղੳ͕͠΍͘͢ ͳͬͨ w ಈతܕ෇͚Ͱ΋ܕਪ࿦Λߦ͏ϝϦοτ͸͋Δ w ࣮ߦલΤϥʔݕ஌ w ίϯύΠϧ࣌࠷దԽ w ิ׬ࢧԉ

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·ͱΊ w ܕਪ࿦͸"45Λḷͬͯਪ࿦نଇΛݩʹਪ࿦͍ͯ͘͠ w ؔ਺΍ϝιουͷܕ͸ܕ؀ڥʹొ࿥͍ͯ͘͠ w ͦͷ৔Ͱ͸Θ͔Βͳ͍ܕ͸ɺܕม਺ΛׂΓ౰ͯΔ w Τϥʔͷݕ஌΍ܕม਺΁ͷ୅ೖ͸ϢχϑΟέʔγϣ ϯΛ༻͍Δ w ϢχϑΟέʔγϣϯ͸ܕͷ੍ݶ͕͋ΔՕॴͰద༻͢ Δ

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࢒Γ࿩͍ͨ͜͠ͱ w ΑΓৄࡉͳΞϧΰϦζϜ w ଟ૬ܕ΍ OVMMcJOUFHFS Έ͍ͨͳܕͷѻ͍ w ಈతܕ෇͚ͷ৔߹ͷΞϧΰϦζϜͷௐ੔ w FWBM͕͋Δͱ୆ແ͠ͳ࿩ w ίϯτϩʔϧϑϩʔΛղੳ͢Δ࿩ w ෼Ͱ͸ෆՄೳ

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ը૾ग़యंాਖ਼ඒஉࡔ

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͝ਗ਼ௌ͋Γ͕ͱ͏ ͍͟͝·ͨ͠